Home / 7,845.50-10,826.70-4,309.04

Finding the Fourth Proportional to 7,845.50, 10,826.70 and 4,309.04

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Solution

The fourth proportional to 7,845.50, 10,826.70 and 4,309.04 is: 5,946.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.50 : 10,826.70 = 4,309.04 : x
  2. Step 2: Convert to fraction form
    7,845.50/10,826.70 = 4,309.04/x
  3. Step 3: Cross multiply
    7,845.50x = 10,826.70 × 4,309.04
  4. Step 4: Simplify right side
    7,845.50x = 46,652,683.37
  5. Step 5: Solve for x
    x = 46,652,683.37/7,845.50
  6. Step 6: Final answer
    x = 5,946.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.